Home / 12,588,118.25-17,371,577.45-7,081,496.87

Finding the Fourth Proportional to 12,588,118.25, 17,371,577.45 and 7,081,496.87

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Solution

The fourth proportional to 12,588,118.25, 17,371,577.45 and 7,081,496.87 is: 9,772,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,118.25 : 17,371,577.45 = 7,081,496.87 : x
  2. Step 2: Convert to fraction form
    12,588,118.25/17,371,577.45 = 7,081,496.87/x
  3. Step 3: Cross multiply
    12,588,118.25x = 17,371,577.45 × 7,081,496.87
  4. Step 4: Simplify right side
    12,588,118.25x = 123,016,771,269,983.44
  5. Step 5: Solve for x
    x = 123,016,771,269,983.44/12,588,118.25
  6. Step 6: Final answer
    x = 9,772,451.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.